package Fzu.fh.domain.strategy.model.entity;

import Fzu.fh.types.common.Constants;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 策略规则实体
 */
@Data
@NoArgsConstructor
@Builder
@AllArgsConstructor
public class StrategyRuleEntity {
    /** 抽奖策略ID */
    private Long strategyId;
    /** 抽奖奖品ID【规则类型为策略，则不需要奖品ID】 */
    private Integer awardId;
    /** 抽象规则类型；1-策略规则、2-奖品规则 */
    private Integer ruleType;
    /** 抽奖规则类型【rule_random - 随机值计算、rule_lock - 抽奖几次后解锁、rule_luck_award - 幸运奖(兜底奖品)】 */
    private String ruleModel;
    /** 抽奖规则比值 */
    private String ruleValue;
    /** 抽奖规则描述 */
    private String ruleDesc;

    /**
     * 获取权重值
     * 数据案例：
     * 4000:102,103,104,105
     * 5000:102,103,104,105,106,107
     * 6000:102,103,104,105,106,107,108,109
     * @return
     */
    public Map<String, List<Integer>> getRuleWeightValues(){
        if (!"rule_weight".equals(ruleModel))return null;
        String[]ruleValueGroups=ruleValue.split(Constants.SPACE);
        Map<String,List<Integer>> resultMap=new HashMap<>();
        for (String ruleValueGroup : ruleValueGroups) {
            if (ruleValueGroup==null||ruleValueGroup.isEmpty()){
                return resultMap;
            }
            String[]parts=ruleValueGroup.split(Constants.COLON);
            if (parts.length!=2){
                throw new IllegalArgumentException("rule_weight rule_rule invalid input format"+ruleValueGroup);
            }
            String[] valueStrings=parts[1].split(Constants.SPLIT);
            List<Integer>values=new ArrayList<>();
            for (String valueString : valueStrings) {
                values.add(Integer.parseInt(valueString));
            }
            resultMap.put(ruleValueGroup,values);
        }
        return resultMap;
    }
}
